Overview

 eir evo talent are currently inviting applications for a Network Security Engineer role. This is a 6-month contract position requiring 3–4 days per week. The role is based in Dublin and operates on a hybrid working model across a fortnightly schedule.

Role Overview
We are seeking a hands-on Network Security Engineer to support network infrastructure modernization, segmentation, and operational stability. The role focuses on implementing secure architecture designs, deploying upgraded hardware, and ensuring reliable network performance in a production environment.
This position is ideal for an engineer who is comfortable executing designs created by architects while also contributing technical insights and operational troubleshooting.
 
Key Responsibilities
 Network Segmentation

  • Implement and maintain segmentation solutions using Cisco Systems ISE
  • Configure policies, authentication rules, and access controls
  • Support identity-based network enforcement and monitoring

Network Deployment & Redesign

  • Configure and deploy network infrastructure based on architect designs
  • Review existing topology and assist with improvement initiatives
  • Support structured rollout of new network designs

Infrastructure Upgrades

  • Replace legacy switches with modern supported hardware
  • Perform firmware and software upgrades on network devices
  • Ensure minimal disruption during upgrades

Firewall Environment Support

  • Support rollout and integration of Cisco Firepower firewalls
  • Collaborate with external vendors implementing firewall changes
  • Assist with validation, configuration review, and testing

Network Management Platform

  • Assist deployment of Cisco Catalyst Center
  • Use platform for provisioning, monitoring, and troubleshooting
  • Support automation and centralized management adoption

Operational Tasks

  • Troubleshoot network connectivity and performance issues
  • Install, configure, and maintain routers and switches
  • Maintain network documentation and diagrams
  • Monitor network health and performance metrics

Wireless (Future Scope)

  • Assist with pilot Wi-Fi implementation if required
  • Support configuration and troubleshooting of wireless infrastructure

Required Skills & Experience

  • Hands-on experience with enterprise networking environments
  • Strong understanding of:
    • Routing & switching
    • VLANs and segmentation
    • Network security principles
  • Experience with Cisco network infrastructure
  • Ability to deploy network configurations from design documentation
  • Troubleshooting experience in production environments
  • Strong documentation and communication skills

 Preferred / Nice to Have

  • Experience with Cisco ISE deployments
  • Exposure to Cisco Firepower firewall platforms
  • Experience implementing network upgrades or migrations
  • Familiarity with centralized network management platforms
  • Wireless networking experience

 
For more information please apply here or contact Harleen Tora/ harleen(dot)tora(at)eirevo(dot)ie
 
Ref: EET7865

Candidates must be eligible to work full time and long term in the location specified or currently hold a valid appropriate long term work Visa to apply.
  
eir business talent, eir business and our clients are equal opportunity employers who seeks to recruit and appoint the best available person for a job regardless of marital / civil partnership status, sex (including pregnancy), age, religion, belief, race, nationality and ethnic or national origin, colour, sexual orientation or disability. eir business talent, eir business and our clients apply all relevant Data Protection laws when processing your Personal Data.
  
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